CodeMirror.defineMode("clike", function (config, parserConfig) {
    var indentUnit = config.indentUnit,
        statementIndentUnit = parserConfig.statementIndentUnit || indentUnit,
        dontAlignCalls = parserConfig.dontAlignCalls,
        keywords = parserConfig.keywords || {},
        builtin = parserConfig.builtin || {},
        blockKeywords = parserConfig.blockKeywords || {},
        atoms = parserConfig.atoms || {},
        hooks = parserConfig.hooks || {},
        multiLineStrings = parserConfig.multiLineStrings;
    var isOperatorChar = /[+\-*&%=<>!?|\/]/;

    var curPunc;

    function tokenBase(stream, state) {
        var ch = stream.next();
        if (hooks[ch]) {
            var result = hooks[ch](stream, state);
            if (result !== false) return result;
        }
        if (ch == '"' || ch == "'") {
            state.tokenize = tokenString(ch);
            return state.tokenize(stream, state);
        }
        if (/[\[\]{}\(\),;\:\.]/.test(ch)) {
            curPunc = ch;
            return null;
        }
        if (/\d/.test(ch)) {
            stream.eatWhile(/[\w\.]/);
            return "number";
        }
        if (ch == "/") {
            if (stream.eat("*")) {
                state.tokenize = tokenComment;
                return tokenComment(stream, state);
            }
            if (stream.eat("/")) {
                stream.skipToEnd();
                return "comment";
            }
        }
        if (isOperatorChar.test(ch)) {
            stream.eatWhile(isOperatorChar);
            return "operator";
        }
        stream.eatWhile(/[\w\$_]/);
        var cur = stream.current();
        if (keywords.propertyIsEnumerable(cur)) {
            if (blockKeywords.propertyIsEnumerable(cur)) curPunc = "newstatement";
            return "keyword";
        }
        if (builtin.propertyIsEnumerable(cur)) {
            if (blockKeywords.propertyIsEnumerable(cur)) curPunc = "newstatement";
            return "builtin";
        }
        if (atoms.propertyIsEnumerable(cur)) return "atom";
        return "variable";
    }

    function tokenString(quote) {
        return function (stream, state) {
            var escaped = false, next, end = false;
            while ((next = stream.next()) != null) {
                if (next == quote && !escaped) {
                    end = true;
                    break;
                }
                escaped = !escaped && next == "\\";
            }
            if (end || !(escaped || multiLineStrings))
                state.tokenize = null;
            return "string";
        };
    }

    function tokenComment(stream, state) {
        var maybeEnd = false, ch;
        while (ch = stream.next()) {
            if (ch == "/" && maybeEnd) {
                state.tokenize = null;
                break;
            }
            maybeEnd = (ch == "*");
        }
        return "comment";
    }

    function Context(indented, column, type, align, prev) {
        this.indented = indented;
        this.column = column;
        this.type = type;
        this.align = align;
        this.prev = prev;
    }

    function pushContext(state, col, type) {
        var indent = state.indented;
        if (state.context && state.context.type == "statement")
            indent = state.context.indented;
        return state.context = new Context(indent, col, type, null, state.context);
    }

    function popContext(state) {
        var t = state.context.type;
        if (t == ")" || t == "]" || t == "}")
            state.indented = state.context.indented;
        return state.context = state.context.prev;
    }

    // Interface

    return {
        startState: function (basecolumn) {
            return {
                tokenize: null,
                context: new Context((basecolumn || 0) - indentUnit, 0, "top", false),
                indented: 0,
                startOfLine: true
            };
        },

        token: function (stream, state) {
            var ctx = state.context;
            if (stream.sol()) {
                if (ctx.align == null) ctx.align = false;
                state.indented = stream.indentation();
                state.startOfLine = true;
            }
            if (stream.eatSpace()) return null;
            curPunc = null;
            var style = (state.tokenize || tokenBase)(stream, state);
            if (style == "comment" || style == "meta") return style;
            if (ctx.align == null) ctx.align = true;

            if ((curPunc == ";" || curPunc == ":" || curPunc == ",") && ctx.type == "statement") popContext(state);
            else if (curPunc == "{") pushContext(state, stream.column(), "}");
            else if (curPunc == "[") pushContext(state, stream.column(), "]");
            else if (curPunc == "(") pushContext(state, stream.column(), ")");
            else if (curPunc == "}") {
                while (ctx.type == "statement") ctx = popContext(state);
                if (ctx.type == "}") ctx = popContext(state);
                while (ctx.type == "statement") ctx = popContext(state);
            }
            else if (curPunc == ctx.type) popContext(state);
            else if (((ctx.type == "}" || ctx.type == "top") && curPunc != ';') || (ctx.type == "statement" && curPunc == "newstatement"))
                pushContext(state, stream.column(), "statement");
            state.startOfLine = false;
            return style;
        },

        indent: function (state, textAfter) {
            if (state.tokenize != tokenBase && state.tokenize != null) return CodeMirror.Pass;
            var ctx = state.context, firstChar = textAfter && textAfter.charAt(0);
            if (ctx.type == "statement" && firstChar == "}") ctx = ctx.prev;
            var closing = firstChar == ctx.type;
            if (ctx.type == "statement") return ctx.indented + (firstChar == "{" ? 0 : statementIndentUnit);
            else if (ctx.align && (!dontAlignCalls || ctx.type != ")")) return ctx.column + (closing ? 0 : 1);
            else if (ctx.type == ")" && !closing) return ctx.indented + statementIndentUnit;
            else return ctx.indented + (closing ? 0 : indentUnit);
        },

        electricChars: "{}",
        blockCommentStart: "/*",
        blockCommentEnd: "*/",
        lineComment: "//",
        fold: "brace"
    };
});

(function () {
    function words(str) {
        var obj = {}, words = str.split(" ");
        for (var i = 0; i < words.length; ++i) obj[words[i]] = true;
        return obj;
    }

    var cKeywords = "auto if break int case long char register continue return default short do sizeof " +
        "double static else struct entry switch extern typedef float union for unsigned " +
        "goto while enum void const signed volatile";

    function cppHook(stream, state) {
        if (!state.startOfLine) return false;
        for (; ;) {
            if (stream.skipTo("\\")) {
                stream.next();
                if (stream.eol()) {
                    state.tokenize = cppHook;
                    break;
                }
            } else {
                stream.skipToEnd();
                state.tokenize = null;
                break;
            }
        }
        return "meta";
    }

    // C#-style strings where "" escapes a quote.
    function tokenAtString(stream, state) {
        var next;
        while ((next = stream.next()) != null) {
            if (next == '"' && !stream.eat('"')) {
                state.tokenize = null;
                break;
            }
        }
        return "string";
    }

    function mimes(ms, mode) {
        for (var i = 0; i < ms.length; ++i) CodeMirror.defineMIME(ms[i], mode);
    }

    mimes(["text/x-csrc", "text/x-c", "text/x-chdr"], {
        name: "clike",
        keywords: words(cKeywords),
        blockKeywords: words("case do else for if switch while struct"),
        atoms: words("null"),
        hooks: {"#": cppHook}
    });
    mimes(["text/x-c++src", "text/x-c++hdr"], {
        name: "clike",
        keywords: words(cKeywords + " asm dynamic_cast namespace reinterpret_cast try bool explicit new " +
        "static_cast typeid catch operator template typename class friend private " +
        "this using const_cast inline public throw virtual delete mutable protected " +
        "wchar_t"),
        blockKeywords: words("catch class do else finally for if struct switch try while"),
        atoms: words("true false null"),
        hooks: {"#": cppHook}
    });
    CodeMirror.defineMIME("text/x-java", {
        name: "clike",
        keywords: words("abstract assert boolean break byte case catch char class const continue default " +
        "do double else enum extends final finally float for goto if implements import " +
        "instanceof int interface long native new package private protected public " +
        "return short static strictfp super switch synchronized this throw throws transient " +
        "try void volatile while"),
        blockKeywords: words("catch class do else finally for if switch try while"),
        atoms: words("true false null"),
        hooks: {
            "@": function (stream) {
                stream.eatWhile(/[\w\$_]/);
                return "meta";
            }
        }
    });
    CodeMirror.defineMIME("text/x-csharp", {
        name: "clike",
        keywords: words("abstract as base break case catch checked class const continue" +
        " default delegate do else enum event explicit extern finally fixed for" +
        " foreach goto if implicit in interface internal is lock namespace new" +
        " operator out override params private protected public readonly ref return sealed" +
        " sizeof stackalloc static struct switch this throw try typeof unchecked" +
        " unsafe using virtual void volatile while add alias ascending descending dynamic from get" +
        " global group into join let orderby partial remove select set value var yield"),
        blockKeywords: words("catch class do else finally for foreach if struct switch try while"),
        builtin: words("Boolean Byte Char DateTime DateTimeOffset Decimal Double" +
        " Guid Int16 Int32 Int64 Object SByte Single String TimeSpan UInt16 UInt32" +
        " UInt64 bool byte char decimal double short int long object" +
        " sbyte float string ushort uint ulong"),
        atoms: words("true false null"),
        hooks: {
            "@": function (stream, state) {
                if (stream.eat('"')) {
                    state.tokenize = tokenAtString;
                    return tokenAtString(stream, state);
                }
                stream.eatWhile(/[\w\$_]/);
                return "meta";
            }
        }
    });
    CodeMirror.defineMIME("text/x-scala", {
        name: "clike",
        keywords: words(
            /* scala */
            "abstract case catch class def do else extends false final finally for forSome if " +
            "implicit import lazy match new null object override package private protected return " +
            "sealed super this throw trait try trye type val var while with yield _ : = => <- <: " +
            "<% >: # @ " +

                /* package scala */
            "assert assume require print println printf readLine readBoolean readByte readShort " +
            "readChar readInt readLong readFloat readDouble " +

            "AnyVal App Application Array BufferedIterator BigDecimal BigInt Char Console Either " +
            "Enumeration Equiv Error Exception Fractional Function IndexedSeq Integral Iterable " +
            "Iterator List Map Numeric Nil NotNull Option Ordered Ordering PartialFunction PartialOrdering " +
            "Product Proxy Range Responder Seq Serializable Set Specializable Stream StringBuilder " +
            "StringContext Symbol Throwable Traversable TraversableOnce Tuple Unit Vector :: #:: " +

                /* package java.lang */
            "Boolean Byte Character CharSequence Class ClassLoader Cloneable Comparable " +
            "Compiler Double Exception Float Integer Long Math Number Object Package Pair Process " +
            "Runtime Runnable SecurityManager Short StackTraceElement StrictMath String " +
            "StringBuffer System Thread ThreadGroup ThreadLocal Throwable Triple Void"
        ),
        blockKeywords: words("catch class do else finally for forSome if match switch try while"),
        atoms: words("true false null"),
        hooks: {
            "@": function (stream) {
                stream.eatWhile(/[\w\$_]/);
                return "meta";
            }
        }
    });
    mimes(["x-shader/x-vertex", "x-shader/x-fragment"], {
        name: "clike",
        keywords: words("float int bool void " +
        "vec2 vec3 vec4 ivec2 ivec3 ivec4 bvec2 bvec3 bvec4 " +
        "mat2 mat3 mat4 " +
        "sampler1D sampler2D sampler3D samplerCube " +
        "sampler1DShadow sampler2DShadow" +
        "const attribute uniform varying " +
        "break continue discard return " +
        "for while do if else struct " +
        "in out inout"),
        blockKeywords: words("for while do if else struct"),
        builtin: words("radians degrees sin cos tan asin acos atan " +
        "pow exp log exp2 sqrt inversesqrt " +
        "abs sign floor ceil fract mod min max clamp mix step smootstep " +
        "length distance dot cross normalize ftransform faceforward " +
        "reflect refract matrixCompMult " +
        "lessThan lessThanEqual greaterThan greaterThanEqual " +
        "equal notEqual any all not " +
        "texture1D texture1DProj texture1DLod texture1DProjLod " +
        "texture2D texture2DProj texture2DLod texture2DProjLod " +
        "texture3D texture3DProj texture3DLod texture3DProjLod " +
        "textureCube textureCubeLod " +
        "shadow1D shadow2D shadow1DProj shadow2DProj " +
        "shadow1DLod shadow2DLod shadow1DProjLod shadow2DProjLod " +
        "dFdx dFdy fwidth " +
        "noise1 noise2 noise3 noise4"),
        atoms: words("true false " +
        "gl_FragColor gl_SecondaryColor gl_Normal gl_Vertex " +
        "gl_MultiTexCoord0 gl_MultiTexCoord1 gl_MultiTexCoord2 gl_MultiTexCoord3 " +
        "gl_MultiTexCoord4 gl_MultiTexCoord5 gl_MultiTexCoord6 gl_MultiTexCoord7 " +
        "gl_FogCoord " +
        "gl_Position gl_PointSize gl_ClipVertex " +
        "gl_FrontColor gl_BackColor gl_FrontSecondaryColor gl_BackSecondaryColor " +
        "gl_TexCoord gl_FogFragCoord " +
        "gl_FragCoord gl_FrontFacing " +
        "gl_FragColor gl_FragData gl_FragDepth " +
        "gl_ModelViewMatrix gl_ProjectionMatrix gl_ModelViewProjectionMatrix " +
        "gl_TextureMatrix gl_NormalMatrix gl_ModelViewMatrixInverse " +
        "gl_ProjectionMatrixInverse gl_ModelViewProjectionMatrixInverse " +
        "gl_TexureMatrixTranspose gl_ModelViewMatrixInverseTranspose " +
        "gl_ProjectionMatrixInverseTranspose " +
        "gl_ModelViewProjectionMatrixInverseTranspose " +
        "gl_TextureMatrixInverseTranspose " +
        "gl_NormalScale gl_DepthRange gl_ClipPlane " +
        "gl_Point gl_FrontMaterial gl_BackMaterial gl_LightSource gl_LightModel " +
        "gl_FrontLightModelProduct gl_BackLightModelProduct " +
        "gl_TextureColor gl_EyePlaneS gl_EyePlaneT gl_EyePlaneR gl_EyePlaneQ " +
        "gl_FogParameters " +
        "gl_MaxLights gl_MaxClipPlanes gl_MaxTextureUnits gl_MaxTextureCoords " +
        "gl_MaxVertexAttribs gl_MaxVertexUniformComponents gl_MaxVaryingFloats " +
        "gl_MaxVertexTextureImageUnits gl_MaxTextureImageUnits " +
        "gl_MaxFragmentUniformComponents gl_MaxCombineTextureImageUnits " +
        "gl_MaxDrawBuffers"),
        hooks: {"#": cppHook}
    });
}());
